18472580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131947}}^1$

素因数の和:131963

約数の個数: 24

約数和(自身を含む): 44334528

約数和(自身を除く): 25861948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131947, 263894, 527788, 659735, 923629, 1319470, 1847258, 2638940, 3694516, 4618145, 9236290, 18472580]

約数ペア:

[(1, 18472580), (2, 9236290), (4, 4618145), (5, 3694516), (7, 2638940), (10, 1847258), (14, 1319470), (20, 923629), (28, 659735), (35, 527788), (70, 263894), (140, 131947)]